18713580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5113}}^1$

素因数の和:5186

約数の個数: 48

約数和(自身を含む): 53267424

約数和(自身を除く): 34553844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5113, 10226, 15339, 20452, 25565, 30678, 51130, 61356, 76695, 102260, 153390, 306780, 311893, 623786, 935679, 1247572, 1559465, 1871358, 3118930, 3742716, 4678395, 6237860, 9356790, 18713580]

約数ペア:

[(1, 18713580), (2, 9356790), (3, 6237860), (4, 4678395), (5, 3742716), (6, 3118930), (10, 1871358), (12, 1559465), (15, 1247572), (20, 935679), (30, 623786), (60, 311893), (61, 306780), (122, 153390), (183, 102260), (244, 76695), (305, 61356), (366, 51130), (610, 30678), (732, 25565), (915, 20452), (1220, 15339), (1830, 10226), (3660, 5113)]