19375545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 37822464

約数和(自身を除く): 18446919

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 71, 105, 113, 115, 161, 213, 339, 345, 355, 483, 497, 565, 791, 805, 1065, 1491, 1633, 1695, 2373, 2415, 2485, 2599, 3955, 4899, 7455, 7797, 8023, 8165, 11431, 11865, 12995, 18193, 24069, 24495, 34293, 38985, 40115, 54579, 56161, 57155, 90965, 120345, 168483, 171465, 184529, 272895, 280805, 553587, 842415, 922645, 1291703, 2767935, 3875109, 6458515, 19375545]

約数ペア:

[(1, 19375545), (3, 6458515), (5, 3875109), (7, 2767935), (15, 1291703), (21, 922645), (23, 842415), (35, 553587), (69, 280805), (71, 272895), (105, 184529), (113, 171465), (115, 168483), (161, 120345), (213, 90965), (339, 57155), (345, 56161), (355, 54579), (483, 40115), (497, 38985), (565, 34293), (791, 24495), (805, 24069), (1065, 18193), (1491, 12995), (1633, 11865), (1695, 11431), (2373, 8165), (2415, 8023), (2485, 7797), (2599, 7455), (3955, 4899)]