19773390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7243}}^1$

素因数の和:7273

約数の個数: 64

約数和(自身を含む): 58415616

約数和(自身を除く): 38642226

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7243, 14486, 21729, 36215, 43458, 50701, 72430, 94159, 101402, 108645, 152103, 188318, 217290, 253505, 282477, 304206, 470795, 507010, 564954, 659113, 760515, 941590, 1318226, 1412385, 1521030, 1977339, 2824770, 3295565, 3954678, 6591130, 9886695, 19773390]

約数ペア:

[(1, 19773390), (2, 9886695), (3, 6591130), (5, 3954678), (6, 3295565), (7, 2824770), (10, 1977339), (13, 1521030), (14, 1412385), (15, 1318226), (21, 941590), (26, 760515), (30, 659113), (35, 564954), (39, 507010), (42, 470795), (65, 304206), (70, 282477), (78, 253505), (91, 217290), (105, 188318), (130, 152103), (182, 108645), (195, 101402), (210, 94159), (273, 72430), (390, 50701), (455, 43458), (546, 36215), (910, 21729), (1365, 14486), (2730, 7243)]