18286580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 42070224

約数和(自身を除く): 23783644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1153, 1220, 1586, 2306, 3172, 3965, 4612, 5765, 7930, 11530, 14989, 15860, 23060, 29978, 59956, 70333, 74945, 140666, 149890, 281332, 299780, 351665, 703330, 914329, 1406660, 1828658, 3657316, 4571645, 9143290, 18286580]

約数ペア:

[(1, 18286580), (2, 9143290), (4, 4571645), (5, 3657316), (10, 1828658), (13, 1406660), (20, 914329), (26, 703330), (52, 351665), (61, 299780), (65, 281332), (122, 149890), (130, 140666), (244, 74945), (260, 70333), (305, 59956), (610, 29978), (793, 23060), (1153, 15860), (1220, 14989), (1586, 11530), (2306, 7930), (3172, 5765), (3965, 4612)]