19460512

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:541

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 21690080

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 431, 544, 664, 862, 1328, 1411, 1724, 2656, 2822, 3448, 5644, 6896, 7327, 11288, 13792, 14654, 22576, 29308, 35773, 45152, 58616, 71546, 117232, 143092, 234464, 286184, 572368, 608141, 1144736, 1216282, 2432564, 4865128, 9730256, 19460512]

約数ペア:

[(1, 19460512), (2, 9730256), (4, 4865128), (8, 2432564), (16, 1216282), (17, 1144736), (32, 608141), (34, 572368), (68, 286184), (83, 234464), (136, 143092), (166, 117232), (272, 71546), (332, 58616), (431, 45152), (544, 35773), (664, 29308), (862, 22576), (1328, 14654), (1411, 13792), (1724, 11288), (2656, 7327), (2822, 6896), (3448, 5644)]