19388850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 52954944

約数和(自身を除く): 33566094

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 61, 65, 75, 78, 122, 130, 150, 163, 183, 195, 305, 325, 326, 366, 390, 489, 610, 650, 793, 815, 915, 975, 978, 1525, 1586, 1630, 1830, 1950, 2119, 2379, 2445, 3050, 3965, 4075, 4238, 4575, 4758, 4890, 6357, 7930, 8150, 9150, 9943, 10595, 11895, 12225, 12714, 19825, 19886, 21190, 23790, 24450, 29829, 31785, 39650, 49715, 52975, 59475, 59658, 63570, 99430, 105950, 118950, 129259, 149145, 158925, 248575, 258518, 298290, 317850, 387777, 497150, 646295, 745725, 775554, 1292590, 1491450, 1938885, 3231475, 3877770, 6462950, 9694425, 19388850]

約数ペア:

[(1, 19388850), (2, 9694425), (3, 6462950), (5, 3877770), (6, 3231475), (10, 1938885), (13, 1491450), (15, 1292590), (25, 775554), (26, 745725), (30, 646295), (39, 497150), (50, 387777), (61, 317850), (65, 298290), (75, 258518), (78, 248575), (122, 158925), (130, 149145), (150, 129259), (163, 118950), (183, 105950), (195, 99430), (305, 63570), (325, 59658), (326, 59475), (366, 52975), (390, 49715), (489, 39650), (610, 31785), (650, 29829), (793, 24450), (815, 23790), (915, 21190), (975, 19886), (978, 19825), (1525, 12714), (1586, 12225), (1630, 11895), (1830, 10595), (1950, 9943), (2119, 9150), (2379, 8150), (2445, 7930), (3050, 6357), (3965, 4890), (4075, 4758), (4238, 4575)]