19552390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 42057792

約数和(自身を除く): 22505402

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 113, 121, 130, 143, 226, 242, 286, 565, 605, 715, 1130, 1210, 1243, 1331, 1430, 1469, 1573, 2486, 2662, 2938, 3146, 6215, 6655, 7345, 7865, 12430, 13310, 13673, 14690, 15730, 16159, 17303, 27346, 32318, 34606, 68365, 80795, 86515, 136730, 150403, 161590, 173030, 177749, 300806, 355498, 752015, 888745, 1504030, 1777490, 1955239, 3910478, 9776195, 19552390]

約数ペア:

[(1, 19552390), (2, 9776195), (5, 3910478), (10, 1955239), (11, 1777490), (13, 1504030), (22, 888745), (26, 752015), (55, 355498), (65, 300806), (110, 177749), (113, 173030), (121, 161590), (130, 150403), (143, 136730), (226, 86515), (242, 80795), (286, 68365), (565, 34606), (605, 32318), (715, 27346), (1130, 17303), (1210, 16159), (1243, 15730), (1331, 14690), (1430, 13673), (1469, 13310), (1573, 12430), (2486, 7865), (2662, 7345), (2938, 6655), (3146, 6215)]