31519670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1869

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 42024010

約数列:

[1, 2, 5, 7, 10, 13, 14, 19, 26, 35, 38, 65, 70, 91, 95, 130, 133, 182, 190, 247, 266, 455, 494, 665, 910, 1235, 1330, 1729, 1823, 2470, 3458, 3646, 8645, 9115, 12761, 17290, 18230, 23699, 25522, 34637, 47398, 63805, 69274, 118495, 127610, 165893, 173185, 236990, 242459, 331786, 346370, 450281, 484918, 829465, 900562, 1212295, 1658930, 2251405, 2424590, 3151967, 4502810, 6303934, 15759835, 31519670]

約数ペア:

[(1, 31519670), (2, 15759835), (5, 6303934), (7, 4502810), (10, 3151967), (13, 2424590), (14, 2251405), (19, 1658930), (26, 1212295), (35, 900562), (38, 829465), (65, 484918), (70, 450281), (91, 346370), (95, 331786), (130, 242459), (133, 236990), (182, 173185), (190, 165893), (247, 127610), (266, 118495), (455, 69274), (494, 63805), (665, 47398), (910, 34637), (1235, 25522), (1330, 23699), (1729, 18230), (1823, 17290), (2470, 12761), (3458, 9115), (3646, 8645)]