19801392

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{2441}}^1$

素因数の和:2478

約数の個数: 60

約数和(自身を含む): 55413864

約数和(自身を除く): 35612472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 169, 208, 312, 338, 507, 624, 676, 1014, 1352, 2028, 2441, 2704, 4056, 4882, 7323, 8112, 9764, 14646, 19528, 29292, 31733, 39056, 58584, 63466, 95199, 117168, 126932, 190398, 253864, 380796, 412529, 507728, 761592, 825058, 1237587, 1523184, 1650116, 2475174, 3300232, 4950348, 6600464, 9900696, 19801392]

約数ペア:

[(1, 19801392), (2, 9900696), (3, 6600464), (4, 4950348), (6, 3300232), (8, 2475174), (12, 1650116), (13, 1523184), (16, 1237587), (24, 825058), (26, 761592), (39, 507728), (48, 412529), (52, 380796), (78, 253864), (104, 190398), (156, 126932), (169, 117168), (208, 95199), (312, 63466), (338, 58584), (507, 39056), (624, 31733), (676, 29292), (1014, 19528), (1352, 14646), (2028, 9764), (2441, 8112), (2704, 7323), (4056, 4882)]