19615386

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:643

約数の個数: 48

約数和(自身を含む): 46063296

約数和(自身を除く): 26447910

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 411, 487, 822, 959, 974, 1461, 1918, 2877, 2922, 3409, 5754, 6713, 6818, 10227, 13426, 20139, 20454, 23863, 40278, 47726, 66719, 71589, 133438, 143178, 200157, 400314, 467033, 934066, 1401099, 2802198, 3269231, 6538462, 9807693, 19615386]

約数ペア:

[(1, 19615386), (2, 9807693), (3, 6538462), (6, 3269231), (7, 2802198), (14, 1401099), (21, 934066), (42, 467033), (49, 400314), (98, 200157), (137, 143178), (147, 133438), (274, 71589), (294, 66719), (411, 47726), (487, 40278), (822, 23863), (959, 20454), (974, 20139), (1461, 13426), (1918, 10227), (2877, 6818), (2922, 6713), (3409, 5754)]