19514560

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4691}}^1$

素因数の和:4721

約数の個数: 56

約数和(自身を含む): 50054256

約数和(自身を除く): 30539696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4691, 9382, 18764, 23455, 37528, 46910, 60983, 75056, 93820, 121966, 150112, 187640, 243932, 300224, 304915, 375280, 487864, 609830, 750560, 975728, 1219660, 1501120, 1951456, 2439320, 3902912, 4878640, 9757280, 19514560]

約数ペア:

[(1, 19514560), (2, 9757280), (4, 4878640), (5, 3902912), (8, 2439320), (10, 1951456), (13, 1501120), (16, 1219660), (20, 975728), (26, 750560), (32, 609830), (40, 487864), (52, 375280), (64, 304915), (65, 300224), (80, 243932), (104, 187640), (130, 150112), (160, 121966), (208, 93820), (260, 75056), (320, 60983), (416, 46910), (520, 37528), (832, 23455), (1040, 18764), (2080, 9382), (4160, 4691)]