19365892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 42279552

約数和(自身を除く): 22913660

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 641, 1079, 1162, 1282, 2158, 2324, 2564, 4316, 4487, 7553, 8333, 8974, 15106, 16666, 17948, 30212, 33332, 53203, 58331, 106406, 116662, 212812, 233324, 372421, 691639, 744842, 1383278, 1489684, 2766556, 4841473, 9682946, 19365892]

約数ペア:

[(1, 19365892), (2, 9682946), (4, 4841473), (7, 2766556), (13, 1489684), (14, 1383278), (26, 744842), (28, 691639), (52, 372421), (83, 233324), (91, 212812), (166, 116662), (182, 106406), (332, 58331), (364, 53203), (581, 33332), (641, 30212), (1079, 17948), (1162, 16666), (1282, 15106), (2158, 8974), (2324, 8333), (2564, 7553), (4316, 4487)]