19888428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4013}}^1$

素因数の和:4086

約数の個数: 48

約数和(自身を含む): 53948160

約数和(自身を除く): 34059732

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 59, 84, 118, 177, 236, 354, 413, 708, 826, 1239, 1652, 2478, 4013, 4956, 8026, 12039, 16052, 24078, 28091, 48156, 56182, 84273, 112364, 168546, 236767, 337092, 473534, 710301, 947068, 1420602, 1657369, 2841204, 3314738, 4972107, 6629476, 9944214, 19888428]

約数ペア:

[(1, 19888428), (2, 9944214), (3, 6629476), (4, 4972107), (6, 3314738), (7, 2841204), (12, 1657369), (14, 1420602), (21, 947068), (28, 710301), (42, 473534), (59, 337092), (84, 236767), (118, 168546), (177, 112364), (236, 84273), (354, 56182), (413, 48156), (708, 28091), (826, 24078), (1239, 16052), (1652, 12039), (2478, 8026), (4013, 4956)]