19356428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 42740544

約数和(自身を除く): 23384116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 1297, 2132, 2594, 3731, 5188, 7462, 9079, 14924, 16861, 18158, 33722, 36316, 53177, 67444, 106354, 118027, 212708, 236054, 372239, 472108, 691301, 744478, 1382602, 1488956, 2765204, 4839107, 9678214, 19356428]

約数ペア:

[(1, 19356428), (2, 9678214), (4, 4839107), (7, 2765204), (13, 1488956), (14, 1382602), (26, 744478), (28, 691301), (41, 472108), (52, 372239), (82, 236054), (91, 212708), (164, 118027), (182, 106354), (287, 67444), (364, 53177), (533, 36316), (574, 33722), (1066, 18158), (1148, 16861), (1297, 14924), (2132, 9079), (2594, 7462), (3731, 5188)]