19573190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 43956864

約数和(自身を除く): 24383674

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 137, 157, 182, 274, 314, 455, 685, 785, 910, 959, 1099, 1370, 1570, 1781, 1918, 2041, 2198, 3562, 4082, 4795, 5495, 8905, 9590, 10205, 10990, 12467, 14287, 17810, 20410, 21509, 24934, 28574, 43018, 62335, 71435, 107545, 124670, 142870, 150563, 215090, 279617, 301126, 559234, 752815, 1398085, 1505630, 1957319, 2796170, 3914638, 9786595, 19573190]

約数ペア:

[(1, 19573190), (2, 9786595), (5, 3914638), (7, 2796170), (10, 1957319), (13, 1505630), (14, 1398085), (26, 752815), (35, 559234), (65, 301126), (70, 279617), (91, 215090), (130, 150563), (137, 142870), (157, 124670), (182, 107545), (274, 71435), (314, 62335), (455, 43018), (685, 28574), (785, 24934), (910, 21509), (959, 20410), (1099, 17810), (1370, 14287), (1570, 12467), (1781, 10990), (1918, 10205), (2041, 9590), (2198, 8905), (3562, 5495), (4082, 4795)]