19427454

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 43439760

約数和(自身を除く): 24012306

約数列:

[1, 2, 3, 6, 9, 18, 67, 89, 134, 178, 181, 201, 267, 362, 402, 534, 543, 603, 801, 1086, 1206, 1602, 1629, 3258, 5963, 11926, 12127, 16109, 17889, 24254, 32218, 35778, 36381, 48327, 53667, 72762, 96654, 107334, 109143, 144981, 218286, 289962, 1079303, 2158606, 3237909, 6475818, 9713727, 19427454]

約数ペア:

[(1, 19427454), (2, 9713727), (3, 6475818), (6, 3237909), (9, 2158606), (18, 1079303), (67, 289962), (89, 218286), (134, 144981), (178, 109143), (181, 107334), (201, 96654), (267, 72762), (362, 53667), (402, 48327), (534, 36381), (543, 35778), (603, 32218), (801, 24254), (1086, 17889), (1206, 16109), (1602, 12127), (1629, 11926), (3258, 5963)]