19111560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12251}}^1$

素因数の和:12278

約数の個数: 64

約数和(自身を含む): 61750080

約数和(自身を除く): 42638520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 12251, 24502, 36753, 49004, 61255, 73506, 98008, 122510, 147012, 159263, 183765, 245020, 294024, 318526, 367530, 477789, 490040, 637052, 735060, 796315, 955578, 1274104, 1470120, 1592630, 1911156, 2388945, 3185260, 3822312, 4777890, 6370520, 9555780, 19111560]

約数ペア:

[(1, 19111560), (2, 9555780), (3, 6370520), (4, 4777890), (5, 3822312), (6, 3185260), (8, 2388945), (10, 1911156), (12, 1592630), (13, 1470120), (15, 1274104), (20, 955578), (24, 796315), (26, 735060), (30, 637052), (39, 490040), (40, 477789), (52, 367530), (60, 318526), (65, 294024), (78, 245020), (104, 183765), (120, 159263), (130, 147012), (156, 122510), (195, 98008), (260, 73506), (312, 61255), (390, 49004), (520, 36753), (780, 24502), (1560, 12251)]