19503372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 54295920

約数和(自身を除く): 34792548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 809, 861, 1148, 1618, 1722, 2009, 2427, 3236, 3444, 4018, 4854, 5663, 6027, 8036, 9708, 11326, 12054, 16989, 22652, 24108, 33169, 33978, 39641, 66338, 67956, 79282, 99507, 118923, 132676, 158564, 199014, 232183, 237846, 398028, 464366, 475692, 696549, 928732, 1393098, 1625281, 2786196, 3250562, 4875843, 6501124, 9751686, 19503372]

約数ペア:

[(1, 19503372), (2, 9751686), (3, 6501124), (4, 4875843), (6, 3250562), (7, 2786196), (12, 1625281), (14, 1393098), (21, 928732), (28, 696549), (41, 475692), (42, 464366), (49, 398028), (82, 237846), (84, 232183), (98, 199014), (123, 158564), (147, 132676), (164, 118923), (196, 99507), (246, 79282), (287, 67956), (294, 66338), (492, 39641), (574, 33978), (588, 33169), (809, 24108), (861, 22652), (1148, 16989), (1618, 12054), (1722, 11326), (2009, 9708), (2427, 8036), (3236, 6027), (3444, 5663), (4018, 4854)]