19071520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 49723632

約数和(自身を除く): 30652112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 173, 208, 212, 260, 265, 346, 416, 424, 520, 530, 689, 692, 848, 865, 1040, 1060, 1378, 1384, 1696, 1730, 2080, 2120, 2249, 2756, 2768, 3445, 3460, 4240, 4498, 5512, 5536, 6890, 6920, 8480, 8996, 9169, 11024, 11245, 13780, 13840, 17992, 18338, 22048, 22490, 27560, 27680, 35984, 36676, 44980, 45845, 55120, 71968, 73352, 89960, 91690, 110240, 119197, 146704, 179920, 183380, 238394, 293408, 359840, 366760, 476788, 595985, 733520, 953576, 1191970, 1467040, 1907152, 2383940, 3814304, 4767880, 9535760, 19071520]

約数ペア:

[(1, 19071520), (2, 9535760), (4, 4767880), (5, 3814304), (8, 2383940), (10, 1907152), (13, 1467040), (16, 1191970), (20, 953576), (26, 733520), (32, 595985), (40, 476788), (52, 366760), (53, 359840), (65, 293408), (80, 238394), (104, 183380), (106, 179920), (130, 146704), (160, 119197), (173, 110240), (208, 91690), (212, 89960), (260, 73352), (265, 71968), (346, 55120), (416, 45845), (424, 44980), (520, 36676), (530, 35984), (689, 27680), (692, 27560), (848, 22490), (865, 22048), (1040, 18338), (1060, 17992), (1378, 13840), (1384, 13780), (1696, 11245), (1730, 11024), (2080, 9169), (2120, 8996), (2249, 8480), (2756, 6920), (2768, 6890), (3445, 5536), (3460, 5512), (4240, 4498)]