19776666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 50400000

約数和(自身を除く): 30623334

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1249, 2262, 2498, 2639, 3747, 5278, 7494, 7917, 8743, 15834, 16237, 17486, 26229, 32474, 36221, 48711, 52458, 72442, 97422, 108663, 113659, 217326, 227318, 253547, 340977, 470873, 507094, 681954, 760641, 941746, 1412619, 1521282, 2825238, 3296111, 6592222, 9888333, 19776666]

約数ペア:

[(1, 19776666), (2, 9888333), (3, 6592222), (6, 3296111), (7, 2825238), (13, 1521282), (14, 1412619), (21, 941746), (26, 760641), (29, 681954), (39, 507094), (42, 470873), (58, 340977), (78, 253547), (87, 227318), (91, 217326), (174, 113659), (182, 108663), (203, 97422), (273, 72442), (377, 52458), (406, 48711), (546, 36221), (609, 32474), (754, 26229), (1131, 17486), (1218, 16237), (1249, 15834), (2262, 8743), (2498, 7917), (2639, 7494), (3747, 5278)]