19279908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 52153920

約数和(自身を除く): 32874012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 397, 426, 639, 684, 794, 852, 1191, 1278, 1349, 1588, 2382, 2556, 2698, 3573, 4047, 4764, 5396, 7146, 7543, 8094, 12141, 14292, 15086, 16188, 22629, 24282, 28187, 30172, 45258, 48564, 56374, 67887, 84561, 90516, 112748, 135774, 169122, 253683, 271548, 338244, 507366, 535553, 1014732, 1071106, 1606659, 2142212, 3213318, 4819977, 6426636, 9639954, 19279908]

約数ペア:

[(1, 19279908), (2, 9639954), (3, 6426636), (4, 4819977), (6, 3213318), (9, 2142212), (12, 1606659), (18, 1071106), (19, 1014732), (36, 535553), (38, 507366), (57, 338244), (71, 271548), (76, 253683), (114, 169122), (142, 135774), (171, 112748), (213, 90516), (228, 84561), (284, 67887), (342, 56374), (397, 48564), (426, 45258), (639, 30172), (684, 28187), (794, 24282), (852, 22629), (1191, 16188), (1278, 15086), (1349, 14292), (1588, 12141), (2382, 8094), (2556, 7543), (2698, 7146), (3573, 5396), (4047, 4764)]