19089672020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{30763}}^1$

素因数の和:30885

約数の個数: 96

約数和(自身を含む): 44654561280

約数和(自身を除く): 25564889260

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 71, 76, 92, 95, 115, 142, 190, 230, 284, 355, 380, 437, 460, 710, 874, 1349, 1420, 1633, 1748, 2185, 2698, 3266, 4370, 5396, 6532, 6745, 8165, 8740, 13490, 16330, 26980, 30763, 31027, 32660, 61526, 62054, 123052, 124108, 153815, 155135, 307630, 310270, 584497, 615260, 620540, 707549, 1168994, 1415098, 2184173, 2337988, 2830196, 2922485, 3537745, 4368346, 5844970, 7075490, 8736692, 10920865, 11689940, 13443431, 14150980, 21841730, 26886862, 41499287, 43683460, 50235979, 53773724, 67217155, 82998574, 100471958, 134434310, 165997148, 200943916, 207496435, 251179895, 268868620, 414992870, 502359790, 829985740, 954483601, 1004719580, 1908967202, 3817934404, 4772418005, 9544836010, 19089672020]

約数ペア:

[(1, 19089672020), (2, 9544836010), (4, 4772418005), (5, 3817934404), (10, 1908967202), (19, 1004719580), (20, 954483601), (23, 829985740), (38, 502359790), (46, 414992870), (71, 268868620), (76, 251179895), (92, 207496435), (95, 200943916), (115, 165997148), (142, 134434310), (190, 100471958), (230, 82998574), (284, 67217155), (355, 53773724), (380, 50235979), (437, 43683460), (460, 41499287), (710, 26886862), (874, 21841730), (1349, 14150980), (1420, 13443431), (1633, 11689940), (1748, 10920865), (2185, 8736692), (2698, 7075490), (3266, 5844970), (4370, 4368346), (5396, 3537745), (6532, 2922485), (6745, 2830196), (8165, 2337988), (8740, 2184173), (13490, 1415098), (16330, 1168994), (26980, 707549), (30763, 620540), (31027, 615260), (32660, 584497), (61526, 310270), (62054, 307630), (123052, 155135), (124108, 153815)]