19494990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 53273376

約数和(自身を除く): 33778386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 53, 61, 67, 90, 106, 122, 134, 159, 183, 201, 265, 305, 318, 335, 366, 402, 477, 530, 549, 603, 610, 670, 795, 915, 954, 1005, 1098, 1206, 1590, 1830, 2010, 2385, 2745, 3015, 3233, 3551, 4087, 4770, 5490, 6030, 6466, 7102, 8174, 9699, 10653, 12261, 16165, 17755, 19398, 20435, 21306, 24522, 29097, 31959, 32330, 35510, 36783, 40870, 48495, 53265, 58194, 61305, 63918, 73566, 96990, 106530, 122610, 145485, 159795, 183915, 216611, 290970, 319590, 367830, 433222, 649833, 1083055, 1299666, 1949499, 2166110, 3249165, 3898998, 6498330, 9747495, 19494990]

約数ペア:

[(1, 19494990), (2, 9747495), (3, 6498330), (5, 3898998), (6, 3249165), (9, 2166110), (10, 1949499), (15, 1299666), (18, 1083055), (30, 649833), (45, 433222), (53, 367830), (61, 319590), (67, 290970), (90, 216611), (106, 183915), (122, 159795), (134, 145485), (159, 122610), (183, 106530), (201, 96990), (265, 73566), (305, 63918), (318, 61305), (335, 58194), (366, 53265), (402, 48495), (477, 40870), (530, 36783), (549, 35510), (603, 32330), (610, 31959), (670, 29097), (795, 24522), (915, 21306), (954, 20435), (1005, 19398), (1098, 17755), (1206, 16165), (1590, 12261), (1830, 10653), (2010, 9699), (2385, 8174), (2745, 7102), (3015, 6466), (3233, 6030), (3551, 5490), (4087, 4770)]