19945536

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 58204608

約数和(自身を除く): 38259072

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 78, 96, 104, 122, 131, 156, 183, 192, 208, 244, 262, 312, 366, 393, 416, 488, 524, 624, 732, 786, 793, 832, 976, 1048, 1248, 1464, 1572, 1586, 1703, 1952, 2096, 2379, 2496, 2928, 3144, 3172, 3406, 3904, 4192, 4758, 5109, 5856, 6288, 6344, 6812, 7991, 8384, 9516, 10218, 11712, 12576, 12688, 13624, 15982, 19032, 20436, 23973, 25152, 25376, 27248, 31964, 38064, 40872, 47946, 50752, 54496, 63928, 76128, 81744, 95892, 103883, 108992, 127856, 152256, 163488, 191784, 207766, 255712, 311649, 326976, 383568, 415532, 511424, 623298, 767136, 831064, 1246596, 1534272, 1662128, 2493192, 3324256, 4986384, 6648512, 9972768, 19945536]

約数ペア:

[(1, 19945536), (2, 9972768), (3, 6648512), (4, 4986384), (6, 3324256), (8, 2493192), (12, 1662128), (13, 1534272), (16, 1246596), (24, 831064), (26, 767136), (32, 623298), (39, 511424), (48, 415532), (52, 383568), (61, 326976), (64, 311649), (78, 255712), (96, 207766), (104, 191784), (122, 163488), (131, 152256), (156, 127856), (183, 108992), (192, 103883), (208, 95892), (244, 81744), (262, 76128), (312, 63928), (366, 54496), (393, 50752), (416, 47946), (488, 40872), (524, 38064), (624, 31964), (732, 27248), (786, 25376), (793, 25152), (832, 23973), (976, 20436), (1048, 19032), (1248, 15982), (1464, 13624), (1572, 12688), (1586, 12576), (1703, 11712), (1952, 10218), (2096, 9516), (2379, 8384), (2496, 7991), (2928, 6812), (3144, 6344), (3172, 6288), (3406, 5856), (3904, 5109), (4192, 4758)]