18447780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 56617344

約数和(自身を除く): 38169564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 67, 78, 130, 134, 156, 195, 201, 260, 268, 335, 353, 390, 402, 670, 706, 780, 804, 871, 1005, 1059, 1340, 1412, 1742, 1765, 2010, 2118, 2613, 3484, 3530, 4020, 4236, 4355, 4589, 5226, 5295, 7060, 8710, 9178, 10452, 10590, 13065, 13767, 17420, 18356, 21180, 22945, 23651, 26130, 27534, 45890, 47302, 52260, 55068, 68835, 70953, 91780, 94604, 118255, 137670, 141906, 236510, 275340, 283812, 307463, 354765, 473020, 614926, 709530, 922389, 1229852, 1419060, 1537315, 1844778, 3074630, 3689556, 4611945, 6149260, 9223890, 18447780]

約数ペア:

[(1, 18447780), (2, 9223890), (3, 6149260), (4, 4611945), (5, 3689556), (6, 3074630), (10, 1844778), (12, 1537315), (13, 1419060), (15, 1229852), (20, 922389), (26, 709530), (30, 614926), (39, 473020), (52, 354765), (60, 307463), (65, 283812), (67, 275340), (78, 236510), (130, 141906), (134, 137670), (156, 118255), (195, 94604), (201, 91780), (260, 70953), (268, 68835), (335, 55068), (353, 52260), (390, 47302), (402, 45890), (670, 27534), (706, 26130), (780, 23651), (804, 22945), (871, 21180), (1005, 18356), (1059, 17420), (1340, 13767), (1412, 13065), (1742, 10590), (1765, 10452), (2010, 9178), (2118, 8710), (2613, 7060), (3484, 5295), (3530, 5226), (4020, 4589), (4236, 4355)]