19921096

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 42900480

約数和(自身を除く): 22979384

約数列:

[1, 2, 4, 8, 13, 26, 31, 37, 52, 62, 74, 104, 124, 148, 167, 248, 296, 334, 403, 481, 668, 806, 962, 1147, 1336, 1612, 1924, 2171, 2294, 3224, 3848, 4342, 4588, 5177, 6179, 8684, 9176, 10354, 12358, 14911, 17368, 20708, 24716, 29822, 41416, 49432, 59644, 67301, 80327, 119288, 134602, 160654, 191549, 269204, 321308, 383098, 538408, 642616, 766196, 1532392, 2490137, 4980274, 9960548, 19921096]

約数ペア:

[(1, 19921096), (2, 9960548), (4, 4980274), (8, 2490137), (13, 1532392), (26, 766196), (31, 642616), (37, 538408), (52, 383098), (62, 321308), (74, 269204), (104, 191549), (124, 160654), (148, 134602), (167, 119288), (248, 80327), (296, 67301), (334, 59644), (403, 49432), (481, 41416), (668, 29822), (806, 24716), (962, 20708), (1147, 17368), (1336, 14911), (1612, 12358), (1924, 10354), (2171, 9176), (2294, 8684), (3224, 6179), (3848, 5177), (4342, 4588)]