18447680925

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{13037}}^1$

素因数の和:13403

約数の個数: 72

約数和(自身を含む): 34888644960

約数和(自身を除く): 16440964035

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 331, 475, 855, 993, 1425, 1655, 2979, 4275, 4965, 6289, 8275, 13037, 14895, 18867, 24825, 31445, 39111, 56601, 65185, 74475, 94335, 117333, 157225, 195555, 247703, 283005, 325925, 471675, 586665, 743109, 977775, 1238515, 1415025, 2229327, 2933325, 3715545, 4315247, 6192575, 11146635, 12945741, 18577725, 21576235, 38837223, 55733175, 64728705, 81989693, 107881175, 194186115, 245969079, 323643525, 409948465, 737907237, 970930575, 1229845395, 2049742325, 3689536185, 6149226975, 18447680925]

約数ペア:

[(1, 18447680925), (3, 6149226975), (5, 3689536185), (9, 2049742325), (15, 1229845395), (19, 970930575), (25, 737907237), (45, 409948465), (57, 323643525), (75, 245969079), (95, 194186115), (171, 107881175), (225, 81989693), (285, 64728705), (331, 55733175), (475, 38837223), (855, 21576235), (993, 18577725), (1425, 12945741), (1655, 11146635), (2979, 6192575), (4275, 4315247), (4965, 3715545), (6289, 2933325), (8275, 2229327), (13037, 1415025), (14895, 1238515), (18867, 977775), (24825, 743109), (31445, 586665), (39111, 471675), (56601, 325925), (65185, 283005), (74475, 247703), (94335, 195555), (117333, 157225)]