18087732

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{991}}^1$

素因数の和:1030

約数の個数: 72

約数和(自身を含む): 50830080

約数和(自身を除く): 32742348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 991, 1014, 1404, 1521, 1982, 2028, 2973, 3042, 3964, 4563, 5946, 6084, 8919, 9126, 11892, 12883, 17838, 18252, 25766, 26757, 35676, 38649, 51532, 53514, 77298, 107028, 115947, 154596, 167479, 231894, 334958, 347841, 463788, 502437, 669916, 695682, 1004874, 1391364, 1507311, 2009748, 3014622, 4521933, 6029244, 9043866, 18087732]

約数ペア:

[(1, 18087732), (2, 9043866), (3, 6029244), (4, 4521933), (6, 3014622), (9, 2009748), (12, 1507311), (13, 1391364), (18, 1004874), (26, 695682), (27, 669916), (36, 502437), (39, 463788), (52, 347841), (54, 334958), (78, 231894), (108, 167479), (117, 154596), (156, 115947), (169, 107028), (234, 77298), (338, 53514), (351, 51532), (468, 38649), (507, 35676), (676, 26757), (702, 25766), (991, 18252), (1014, 17838), (1404, 12883), (1521, 11892), (1982, 9126), (2028, 8919), (2973, 6084), (3042, 5946), (3964, 4563)]