19663841632

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{82939}}^1$

素因数の和:83219

約数の個数: 48

約数和(自身を含む): 40129689600

約数和(自身を除く): 20465847968

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 239, 248, 478, 496, 956, 992, 1912, 3824, 7409, 7648, 14818, 29636, 59272, 82939, 118544, 165878, 237088, 331756, 663512, 1327024, 2571109, 2654048, 5142218, 10284436, 19822421, 20568872, 39644842, 41137744, 79289684, 82275488, 158579368, 317158736, 614495051, 634317472, 1228990102, 2457980204, 4915960408, 9831920816, 19663841632]

約数ペア:

[(1, 19663841632), (2, 9831920816), (4, 4915960408), (8, 2457980204), (16, 1228990102), (31, 634317472), (32, 614495051), (62, 317158736), (124, 158579368), (239, 82275488), (248, 79289684), (478, 41137744), (496, 39644842), (956, 20568872), (992, 19822421), (1912, 10284436), (3824, 5142218), (7409, 2654048), (7648, 2571109), (14818, 1327024), (29636, 663512), (59272, 331756), (82939, 237088), (118544, 165878)]