18965056

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 84

約数和(自身を含む): 43240960

約数和(自身を除く): 24275904

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 79, 88, 121, 124, 158, 176, 242, 248, 316, 341, 352, 484, 496, 632, 682, 704, 869, 968, 992, 1264, 1364, 1738, 1936, 1984, 2449, 2528, 2728, 3476, 3751, 3872, 4898, 5056, 5456, 6952, 7502, 7744, 9559, 9796, 10912, 13904, 15004, 19118, 19592, 21824, 26939, 27808, 30008, 38236, 39184, 53878, 55616, 60016, 76472, 78368, 107756, 120032, 152944, 156736, 215512, 240064, 296329, 305888, 431024, 592658, 611776, 862048, 1185316, 1724096, 2370632, 4741264, 9482528, 18965056]

約数ペア:

[(1, 18965056), (2, 9482528), (4, 4741264), (8, 2370632), (11, 1724096), (16, 1185316), (22, 862048), (31, 611776), (32, 592658), (44, 431024), (62, 305888), (64, 296329), (79, 240064), (88, 215512), (121, 156736), (124, 152944), (158, 120032), (176, 107756), (242, 78368), (248, 76472), (316, 60016), (341, 55616), (352, 53878), (484, 39184), (496, 38236), (632, 30008), (682, 27808), (704, 26939), (869, 21824), (968, 19592), (992, 19118), (1264, 15004), (1364, 13904), (1738, 10912), (1936, 9796), (1984, 9559), (2449, 7744), (2528, 7502), (2728, 6952), (3476, 5456), (3751, 5056), (3872, 4898)]