19413420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24889}}^1$

素因数の和:24914

約数の個数: 48

約数和(自身を含む): 58541280

約数和(自身を除く): 39127860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24889, 49778, 74667, 99556, 124445, 149334, 248890, 298668, 323557, 373335, 497780, 647114, 746670, 970671, 1294228, 1493340, 1617785, 1941342, 3235570, 3882684, 4853355, 6471140, 9706710, 19413420]

約数ペア:

[(1, 19413420), (2, 9706710), (3, 6471140), (4, 4853355), (5, 3882684), (6, 3235570), (10, 1941342), (12, 1617785), (13, 1493340), (15, 1294228), (20, 970671), (26, 746670), (30, 647114), (39, 497780), (52, 373335), (60, 323557), (65, 298668), (78, 248890), (130, 149334), (156, 124445), (195, 99556), (260, 74667), (390, 49778), (780, 24889)]