18409430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 19910698

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 47, 65, 94, 115, 130, 131, 230, 235, 262, 299, 470, 598, 611, 655, 1081, 1222, 1310, 1495, 1703, 2162, 2990, 3013, 3055, 3406, 5405, 6026, 6110, 6157, 8515, 10810, 12314, 14053, 15065, 17030, 28106, 30130, 30785, 39169, 61570, 70265, 78338, 80041, 140530, 141611, 160082, 195845, 283222, 391690, 400205, 708055, 800410, 1416110, 1840943, 3681886, 9204715, 18409430]

約数ペア:

[(1, 18409430), (2, 9204715), (5, 3681886), (10, 1840943), (13, 1416110), (23, 800410), (26, 708055), (46, 400205), (47, 391690), (65, 283222), (94, 195845), (115, 160082), (130, 141611), (131, 140530), (230, 80041), (235, 78338), (262, 70265), (299, 61570), (470, 39169), (598, 30785), (611, 30130), (655, 28106), (1081, 17030), (1222, 15065), (1310, 14053), (1495, 12314), (1703, 10810), (2162, 8515), (2990, 6157), (3013, 6110), (3055, 6026), (3406, 5405)]