19520171264

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{719}}^1$

素因数の和:1088

約数の個数: 144

約数和(自身を含む): 44079759360

約数和(自身を除く): 24559588096

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 311, 341, 352, 496, 622, 682, 704, 719, 992, 1244, 1364, 1408, 1438, 1984, 2488, 2728, 2816, 2876, 3421, 3968, 4976, 5456, 5752, 6842, 7909, 7936, 9641, 9952, 10912, 11504, 13684, 15818, 19282, 19904, 21824, 22289, 23008, 27368, 31636, 38564, 39808, 43648, 44578, 46016, 54736, 63272, 77128, 79616, 87296, 89156, 92032, 106051, 109472, 126544, 154256, 178312, 184064, 212102, 218944, 223609, 245179, 253088, 308512, 356624, 424204, 437888, 447218, 490358, 506176, 617024, 713248, 848408, 875776, 894436, 980716, 1012352, 1234048, 1426496, 1696816, 1788872, 1961432, 2024704, 2459699, 2468096, 2852992, 3393632, 3577744, 3922864, 4919398, 5705984, 6787264, 6931879, 7155488, 7845728, 9838796, 13574528, 13863758, 14310976, 15691456, 19677592, 27149056, 27727516, 28621952, 31382912, 39355184, 55455032, 57243904, 62765824, 76250669, 78710368, 110910064, 152501338, 157420736, 221820128, 305002676, 314841472, 443640256, 610005352, 629682944, 887280512, 1220010704, 1774561024, 2440021408, 4880042816, 9760085632, 19520171264]

約数ペア:

[(1, 19520171264), (2, 9760085632), (4, 4880042816), (8, 2440021408), (11, 1774561024), (16, 1220010704), (22, 887280512), (31, 629682944), (32, 610005352), (44, 443640256), (62, 314841472), (64, 305002676), (88, 221820128), (124, 157420736), (128, 152501338), (176, 110910064), (248, 78710368), (256, 76250669), (311, 62765824), (341, 57243904), (352, 55455032), (496, 39355184), (622, 31382912), (682, 28621952), (704, 27727516), (719, 27149056), (992, 19677592), (1244, 15691456), (1364, 14310976), (1408, 13863758), (1438, 13574528), (1984, 9838796), (2488, 7845728), (2728, 7155488), (2816, 6931879), (2876, 6787264), (3421, 5705984), (3968, 4919398), (4976, 3922864), (5456, 3577744), (5752, 3393632), (6842, 2852992), (7909, 2468096), (7936, 2459699), (9641, 2024704), (9952, 1961432), (10912, 1788872), (11504, 1696816), (13684, 1426496), (15818, 1234048), (19282, 1012352), (19904, 980716), (21824, 894436), (22289, 875776), (23008, 848408), (27368, 713248), (31636, 617024), (38564, 506176), (39808, 490358), (43648, 447218), (44578, 437888), (46016, 424204), (54736, 356624), (63272, 308512), (77128, 253088), (79616, 245179), (87296, 223609), (89156, 218944), (92032, 212102), (106051, 184064), (109472, 178312), (126544, 154256)]