1880521818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{10709}}^1$

素因数の和:10871

約数の個数: 64

約数和(自身を含む): 4453989120

約数和(自身を除く): 2573467302

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 113, 222, 226, 259, 339, 518, 678, 777, 791, 1554, 1582, 2373, 4181, 4746, 8362, 10709, 12543, 21418, 25086, 29267, 32127, 58534, 64254, 74963, 87801, 149926, 175602, 224889, 396233, 449778, 792466, 1188699, 1210117, 2377398, 2420234, 2773631, 3630351, 5547262, 7260702, 8320893, 8470819, 16641786, 16941638, 25412457, 44774329, 50824914, 89548658, 134322987, 268645974, 313420303, 626840606, 940260909, 1880521818]

約数ペア:

[(1, 1880521818), (2, 940260909), (3, 626840606), (6, 313420303), (7, 268645974), (14, 134322987), (21, 89548658), (37, 50824914), (42, 44774329), (74, 25412457), (111, 16941638), (113, 16641786), (222, 8470819), (226, 8320893), (259, 7260702), (339, 5547262), (518, 3630351), (678, 2773631), (777, 2420234), (791, 2377398), (1554, 1210117), (1582, 1188699), (2373, 792466), (4181, 449778), (4746, 396233), (8362, 224889), (10709, 175602), (12543, 149926), (21418, 87801), (25086, 74963), (29267, 64254), (32127, 58534)]