2019936490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{128413}}^1$

素因数の和:128455

約数の個数: 48

約数和(自身を含む): 4303923624

約数和(自身を除く): 2283987134

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 121, 130, 143, 242, 286, 605, 715, 1210, 1430, 1573, 3146, 7865, 15730, 128413, 256826, 642065, 1284130, 1412543, 1669369, 2825086, 3338738, 7062715, 8346845, 14125430, 15537973, 16693690, 18363059, 31075946, 36726118, 77689865, 91815295, 155379730, 183630590, 201993649, 403987298, 1009968245, 2019936490]

約数ペア:

[(1, 2019936490), (2, 1009968245), (5, 403987298), (10, 201993649), (11, 183630590), (13, 155379730), (22, 91815295), (26, 77689865), (55, 36726118), (65, 31075946), (110, 18363059), (121, 16693690), (130, 15537973), (143, 14125430), (242, 8346845), (286, 7062715), (605, 3338738), (715, 2825086), (1210, 1669369), (1430, 1412543), (1573, 1284130), (3146, 642065), (7865, 256826), (15730, 128413)]