19593772420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1\times {\mathrm{1129}}^1$

素因数の和:1685

約数の個数: 96

約数和(自身を含む): 43853040000

約数和(自身を除く): 24259267580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 109, 190, 218, 380, 419, 436, 545, 838, 1090, 1129, 1676, 2071, 2095, 2180, 2258, 4142, 4190, 4516, 5645, 7961, 8284, 8380, 10355, 11290, 15922, 20710, 21451, 22580, 31844, 39805, 41420, 42902, 45671, 79610, 85804, 91342, 107255, 123061, 159220, 182684, 214510, 228355, 246122, 429020, 456710, 473051, 492244, 615305, 867749, 913420, 946102, 1230610, 1735498, 1892204, 2338159, 2365255, 2461220, 3470996, 4338745, 4676318, 4730510, 8677490, 8987969, 9352636, 9461020, 11690795, 17354980, 17975938, 23381590, 35951876, 44939845, 46763180, 51562559, 89879690, 103125118, 179759380, 206250236, 257812795, 515625590, 979688621, 1031251180, 1959377242, 3918754484, 4898443105, 9796886210, 19593772420]

約数ペア:

[(1, 19593772420), (2, 9796886210), (4, 4898443105), (5, 3918754484), (10, 1959377242), (19, 1031251180), (20, 979688621), (38, 515625590), (76, 257812795), (95, 206250236), (109, 179759380), (190, 103125118), (218, 89879690), (380, 51562559), (419, 46763180), (436, 44939845), (545, 35951876), (838, 23381590), (1090, 17975938), (1129, 17354980), (1676, 11690795), (2071, 9461020), (2095, 9352636), (2180, 8987969), (2258, 8677490), (4142, 4730510), (4190, 4676318), (4516, 4338745), (5645, 3470996), (7961, 2461220), (8284, 2365255), (8380, 2338159), (10355, 1892204), (11290, 1735498), (15922, 1230610), (20710, 946102), (21451, 913420), (22580, 867749), (31844, 615305), (39805, 492244), (41420, 473051), (42902, 456710), (45671, 429020), (79610, 246122), (85804, 228355), (91342, 214510), (107255, 182684), (123061, 159220)]