1921013848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{2693}}^1$

素因数の和:2769

約数の個数: 64

約数和(自身を含む): 4095957600

約数和(自身を除く): 2174943752

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 722, 988, 1444, 1976, 2693, 2888, 4693, 5386, 6859, 9386, 10772, 13718, 18772, 21544, 27436, 35009, 37544, 51167, 54872, 70018, 89167, 102334, 140036, 178334, 204668, 280072, 356668, 409336, 665171, 713336, 972173, 1330342, 1944346, 2660684, 3888692, 5321368, 7777384, 12638249, 18471287, 25276498, 36942574, 50552996, 73885148, 101105992, 147770296, 240126731, 480253462, 960506924, 1921013848]

約数ペア:

[(1, 1921013848), (2, 960506924), (4, 480253462), (8, 240126731), (13, 147770296), (19, 101105992), (26, 73885148), (38, 50552996), (52, 36942574), (76, 25276498), (104, 18471287), (152, 12638249), (247, 7777384), (361, 5321368), (494, 3888692), (722, 2660684), (988, 1944346), (1444, 1330342), (1976, 972173), (2693, 713336), (2888, 665171), (4693, 409336), (5386, 356668), (6859, 280072), (9386, 204668), (10772, 178334), (13718, 140036), (18772, 102334), (21544, 89167), (27436, 70018), (35009, 54872), (37544, 51167)]