15938416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 36282400

約数和(自身を除く): 20343984

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 37, 38, 52, 74, 76, 104, 109, 148, 152, 208, 218, 247, 296, 304, 436, 481, 494, 592, 703, 872, 962, 988, 1406, 1417, 1744, 1924, 1976, 2071, 2812, 2834, 3848, 3952, 4033, 4142, 5624, 5668, 7696, 8066, 8284, 9139, 11248, 11336, 16132, 16568, 18278, 22672, 26923, 32264, 33136, 36556, 52429, 53846, 64528, 73112, 76627, 104858, 107692, 146224, 153254, 209716, 215384, 306508, 419432, 430768, 613016, 838864, 996151, 1226032, 1992302, 3984604, 7969208, 15938416]

約数ペア:

[(1, 15938416), (2, 7969208), (4, 3984604), (8, 1992302), (13, 1226032), (16, 996151), (19, 838864), (26, 613016), (37, 430768), (38, 419432), (52, 306508), (74, 215384), (76, 209716), (104, 153254), (109, 146224), (148, 107692), (152, 104858), (208, 76627), (218, 73112), (247, 64528), (296, 53846), (304, 52429), (436, 36556), (481, 33136), (494, 32264), (592, 26923), (703, 22672), (872, 18278), (962, 16568), (988, 16132), (1406, 11336), (1417, 11248), (1744, 9139), (1924, 8284), (1976, 8066), (2071, 7696), (2812, 5668), (2834, 5624), (3848, 4142), (3952, 4033)]