19817460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:975

約数の個数: 120

約数和(自身を含む): 67021416

約数和(自身を除く): 47203956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 941, 1053, 1170, 1404, 1620, 1755, 1882, 2106, 2340, 2823, 3510, 3764, 4212, 4705, 5265, 5646, 7020, 8469, 9410, 10530, 11292, 12233, 14115, 16938, 18820, 21060, 24466, 25407, 28230, 33876, 36699, 42345, 48932, 50814, 56460, 61165, 73398, 76221, 84690, 101628, 110097, 122330, 127035, 146796, 152442, 169380, 183495, 220194, 244660, 254070, 304884, 330291, 366990, 381105, 440388, 508140, 550485, 660582, 733980, 762210, 990873, 1100970, 1321164, 1524420, 1651455, 1981746, 2201940, 3302910, 3963492, 4954365, 6605820, 9908730, 19817460]

約数ペア:

[(1, 19817460), (2, 9908730), (3, 6605820), (4, 4954365), (5, 3963492), (6, 3302910), (9, 2201940), (10, 1981746), (12, 1651455), (13, 1524420), (15, 1321164), (18, 1100970), (20, 990873), (26, 762210), (27, 733980), (30, 660582), (36, 550485), (39, 508140), (45, 440388), (52, 381105), (54, 366990), (60, 330291), (65, 304884), (78, 254070), (81, 244660), (90, 220194), (108, 183495), (117, 169380), (130, 152442), (135, 146796), (156, 127035), (162, 122330), (180, 110097), (195, 101628), (234, 84690), (260, 76221), (270, 73398), (324, 61165), (351, 56460), (390, 50814), (405, 48932), (468, 42345), (540, 36699), (585, 33876), (702, 28230), (780, 25407), (810, 24466), (941, 21060), (1053, 18820), (1170, 16938), (1404, 14115), (1620, 12233), (1755, 11292), (1882, 10530), (2106, 9410), (2340, 8469), (2823, 7020), (3510, 5646), (3764, 5265), (4212, 4705)]