19236740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 96

約数和(自身を含む): 46448640

約数和(自身を除く): 27211900

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 31, 38, 46, 62, 71, 76, 92, 95, 115, 124, 142, 155, 190, 230, 284, 310, 355, 380, 437, 460, 589, 620, 710, 713, 874, 1178, 1349, 1420, 1426, 1633, 1748, 2185, 2201, 2356, 2698, 2852, 2945, 3266, 3565, 4370, 4402, 5396, 5890, 6532, 6745, 7130, 8165, 8740, 8804, 11005, 11780, 13490, 13547, 14260, 16330, 22010, 26980, 27094, 31027, 32660, 41819, 44020, 50623, 54188, 62054, 67735, 83638, 101246, 124108, 135470, 155135, 167276, 202492, 209095, 253115, 270940, 310270, 418190, 506230, 620540, 836380, 961837, 1012460, 1923674, 3847348, 4809185, 9618370, 19236740]

約数ペア:

[(1, 19236740), (2, 9618370), (4, 4809185), (5, 3847348), (10, 1923674), (19, 1012460), (20, 961837), (23, 836380), (31, 620540), (38, 506230), (46, 418190), (62, 310270), (71, 270940), (76, 253115), (92, 209095), (95, 202492), (115, 167276), (124, 155135), (142, 135470), (155, 124108), (190, 101246), (230, 83638), (284, 67735), (310, 62054), (355, 54188), (380, 50623), (437, 44020), (460, 41819), (589, 32660), (620, 31027), (710, 27094), (713, 26980), (874, 22010), (1178, 16330), (1349, 14260), (1420, 13547), (1426, 13490), (1633, 11780), (1748, 11005), (2185, 8804), (2201, 8740), (2356, 8165), (2698, 7130), (2852, 6745), (2945, 6532), (3266, 5890), (3565, 5396), (4370, 4402)]