19915470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1069}}^1$

素因数の和:1111

約数の個数: 80

約数和(自身を含む): 55931040

約数和(自身を除く): 36015570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 270, 345, 405, 414, 621, 690, 810, 1035, 1069, 1242, 1863, 2070, 2138, 3105, 3207, 3726, 5345, 6210, 6414, 9315, 9621, 10690, 16035, 18630, 19242, 24587, 28863, 32070, 48105, 49174, 57726, 73761, 86589, 96210, 122935, 144315, 147522, 173178, 221283, 245870, 288630, 368805, 432945, 442566, 663849, 737610, 865890, 1106415, 1327698, 1991547, 2212830, 3319245, 3983094, 6638490, 9957735, 19915470]

約数ペア:

[(1, 19915470), (2, 9957735), (3, 6638490), (5, 3983094), (6, 3319245), (9, 2212830), (10, 1991547), (15, 1327698), (18, 1106415), (23, 865890), (27, 737610), (30, 663849), (45, 442566), (46, 432945), (54, 368805), (69, 288630), (81, 245870), (90, 221283), (115, 173178), (135, 147522), (138, 144315), (162, 122935), (207, 96210), (230, 86589), (270, 73761), (345, 57726), (405, 49174), (414, 48105), (621, 32070), (690, 28863), (810, 24587), (1035, 19242), (1069, 18630), (1242, 16035), (1863, 10690), (2070, 9621), (2138, 9315), (3105, 6414), (3207, 6210), (3726, 5345)]