19869444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2131}}^1$

素因数の和:2185

約数の個数: 72

約数和(自身を含む): 58979648

約数和(自身を除く): 39110204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2131, 2331, 3108, 4262, 4662, 6393, 8524, 9324, 12786, 14917, 19179, 25572, 29834, 38358, 44751, 59668, 76716, 78847, 89502, 134253, 157694, 179004, 236541, 268506, 315388, 473082, 537012, 551929, 709623, 946164, 1103858, 1419246, 1655787, 2207716, 2838492, 3311574, 4967361, 6623148, 9934722, 19869444]

約数ペア:

[(1, 19869444), (2, 9934722), (3, 6623148), (4, 4967361), (6, 3311574), (7, 2838492), (9, 2207716), (12, 1655787), (14, 1419246), (18, 1103858), (21, 946164), (28, 709623), (36, 551929), (37, 537012), (42, 473082), (63, 315388), (74, 268506), (84, 236541), (111, 179004), (126, 157694), (148, 134253), (222, 89502), (252, 78847), (259, 76716), (333, 59668), (444, 44751), (518, 38358), (666, 29834), (777, 25572), (1036, 19179), (1332, 14917), (1554, 12786), (2131, 9324), (2331, 8524), (3108, 6393), (4262, 4662)]