19645470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 128

約数和(自身を含む): 58665600

約数和(自身を除く): 39020130

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 29, 30, 39, 45, 54, 58, 65, 78, 87, 90, 117, 130, 135, 145, 174, 193, 195, 234, 261, 270, 290, 351, 377, 386, 390, 435, 522, 579, 585, 702, 754, 783, 870, 965, 1131, 1158, 1170, 1305, 1566, 1737, 1755, 1885, 1930, 2262, 2509, 2610, 2895, 3393, 3474, 3510, 3770, 3915, 5018, 5211, 5597, 5655, 5790, 6786, 7527, 7830, 8685, 10179, 10422, 11194, 11310, 12545, 15054, 16791, 16965, 17370, 20358, 22581, 25090, 26055, 27985, 33582, 33930, 37635, 45162, 50373, 50895, 52110, 55970, 67743, 72761, 75270, 83955, 100746, 101790, 112905, 135486, 145522, 151119, 167910, 218283, 225810, 251865, 302238, 338715, 363805, 436566, 503730, 654849, 677430, 727610, 755595, 1091415, 1309698, 1511190, 1964547, 2182830, 3274245, 3929094, 6548490, 9822735, 19645470]

約数ペア:

[(1, 19645470), (2, 9822735), (3, 6548490), (5, 3929094), (6, 3274245), (9, 2182830), (10, 1964547), (13, 1511190), (15, 1309698), (18, 1091415), (26, 755595), (27, 727610), (29, 677430), (30, 654849), (39, 503730), (45, 436566), (54, 363805), (58, 338715), (65, 302238), (78, 251865), (87, 225810), (90, 218283), (117, 167910), (130, 151119), (135, 145522), (145, 135486), (174, 112905), (193, 101790), (195, 100746), (234, 83955), (261, 75270), (270, 72761), (290, 67743), (351, 55970), (377, 52110), (386, 50895), (390, 50373), (435, 45162), (522, 37635), (579, 33930), (585, 33582), (702, 27985), (754, 26055), (783, 25090), (870, 22581), (965, 20358), (1131, 17370), (1158, 16965), (1170, 16791), (1305, 15054), (1566, 12545), (1737, 11310), (1755, 11194), (1885, 10422), (1930, 10179), (2262, 8685), (2509, 7830), (2610, 7527), (2895, 6786), (3393, 5790), (3474, 5655), (3510, 5597), (3770, 5211), (3915, 5018)]