19718244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{463}}^1$

素因数の和:506

約数の個数: 108

約数和(自身を含む): 61815936

約数和(自身を除く): 42097692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 169, 182, 234, 252, 273, 338, 364, 463, 468, 507, 546, 676, 819, 926, 1014, 1092, 1183, 1389, 1521, 1638, 1852, 2028, 2366, 2778, 3042, 3241, 3276, 3549, 4167, 4732, 5556, 6019, 6084, 6482, 7098, 8334, 9723, 10647, 12038, 12964, 14196, 16668, 18057, 19446, 21294, 24076, 29169, 36114, 38892, 42133, 42588, 54171, 58338, 72228, 78247, 84266, 108342, 116676, 126399, 156494, 168532, 216684, 234741, 252798, 312988, 379197, 469482, 505596, 547729, 704223, 758394, 938964, 1095458, 1408446, 1516788, 1643187, 2190916, 2816892, 3286374, 4929561, 6572748, 9859122, 19718244]

約数ペア:

[(1, 19718244), (2, 9859122), (3, 6572748), (4, 4929561), (6, 3286374), (7, 2816892), (9, 2190916), (12, 1643187), (13, 1516788), (14, 1408446), (18, 1095458), (21, 938964), (26, 758394), (28, 704223), (36, 547729), (39, 505596), (42, 469482), (52, 379197), (63, 312988), (78, 252798), (84, 234741), (91, 216684), (117, 168532), (126, 156494), (156, 126399), (169, 116676), (182, 108342), (234, 84266), (252, 78247), (273, 72228), (338, 58338), (364, 54171), (463, 42588), (468, 42133), (507, 38892), (546, 36114), (676, 29169), (819, 24076), (926, 21294), (1014, 19446), (1092, 18057), (1183, 16668), (1389, 14196), (1521, 12964), (1638, 12038), (1852, 10647), (2028, 9723), (2366, 8334), (2778, 7098), (3042, 6482), (3241, 6084), (3276, 6019), (3549, 5556), (4167, 4732)]