18515380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 45722880

約数和(自身を除く): 27207500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 59, 65, 68, 71, 85, 118, 130, 142, 170, 221, 236, 260, 284, 295, 340, 355, 442, 590, 710, 767, 884, 923, 1003, 1105, 1180, 1207, 1420, 1534, 1846, 2006, 2210, 2414, 3068, 3692, 3835, 4012, 4189, 4420, 4615, 4828, 5015, 6035, 7670, 8378, 9230, 10030, 12070, 13039, 15340, 15691, 16756, 18460, 20060, 20945, 24140, 26078, 31382, 41890, 52156, 54457, 62764, 65195, 71213, 78455, 83780, 108914, 130390, 142426, 156910, 217828, 260780, 272285, 284852, 313820, 356065, 544570, 712130, 925769, 1089140, 1424260, 1851538, 3703076, 4628845, 9257690, 18515380]

約数ペア:

[(1, 18515380), (2, 9257690), (4, 4628845), (5, 3703076), (10, 1851538), (13, 1424260), (17, 1089140), (20, 925769), (26, 712130), (34, 544570), (52, 356065), (59, 313820), (65, 284852), (68, 272285), (71, 260780), (85, 217828), (118, 156910), (130, 142426), (142, 130390), (170, 108914), (221, 83780), (236, 78455), (260, 71213), (284, 65195), (295, 62764), (340, 54457), (355, 52156), (442, 41890), (590, 31382), (710, 26078), (767, 24140), (884, 20945), (923, 20060), (1003, 18460), (1105, 16756), (1180, 15691), (1207, 15340), (1420, 13039), (1534, 12070), (1846, 10030), (2006, 9230), (2210, 8378), (2414, 7670), (3068, 6035), (3692, 5015), (3835, 4828), (4012, 4615), (4189, 4420)]