16815684

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{563}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 41690880

約数和(自身を除く): 24875196

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 131, 228, 262, 393, 524, 563, 786, 1126, 1572, 1689, 2252, 2489, 3378, 4978, 6756, 7467, 9956, 10697, 14934, 21394, 29868, 32091, 42788, 64182, 73753, 128364, 147506, 221259, 295012, 442518, 885036, 1401307, 2802614, 4203921, 5605228, 8407842, 16815684]

約数ペア:

[(1, 16815684), (2, 8407842), (3, 5605228), (4, 4203921), (6, 2802614), (12, 1401307), (19, 885036), (38, 442518), (57, 295012), (76, 221259), (114, 147506), (131, 128364), (228, 73753), (262, 64182), (393, 42788), (524, 32091), (563, 29868), (786, 21394), (1126, 14934), (1572, 10697), (1689, 9956), (2252, 7467), (2489, 6756), (3378, 4978)]