19497960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1379

約数の個数: 96

約数和(自身を含む): 64963080

約数和(自身を除く): 45465120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 41, 45, 60, 72, 82, 90, 120, 123, 164, 180, 205, 246, 328, 360, 369, 410, 492, 615, 738, 820, 984, 1230, 1321, 1476, 1640, 1845, 2460, 2642, 2952, 3690, 3963, 4920, 5284, 6605, 7380, 7926, 10568, 11889, 13210, 14760, 15852, 19815, 23778, 26420, 31704, 39630, 47556, 52840, 54161, 59445, 79260, 95112, 108322, 118890, 158520, 162483, 216644, 237780, 270805, 324966, 433288, 475560, 487449, 541610, 649932, 812415, 974898, 1083220, 1299864, 1624830, 1949796, 2166440, 2437245, 3249660, 3899592, 4874490, 6499320, 9748980, 19497960]

約数ペア:

[(1, 19497960), (2, 9748980), (3, 6499320), (4, 4874490), (5, 3899592), (6, 3249660), (8, 2437245), (9, 2166440), (10, 1949796), (12, 1624830), (15, 1299864), (18, 1083220), (20, 974898), (24, 812415), (30, 649932), (36, 541610), (40, 487449), (41, 475560), (45, 433288), (60, 324966), (72, 270805), (82, 237780), (90, 216644), (120, 162483), (123, 158520), (164, 118890), (180, 108322), (205, 95112), (246, 79260), (328, 59445), (360, 54161), (369, 52840), (410, 47556), (492, 39630), (615, 31704), (738, 26420), (820, 23778), (984, 19815), (1230, 15852), (1321, 14760), (1476, 13210), (1640, 11889), (1845, 10568), (2460, 7926), (2642, 7380), (2952, 6605), (3690, 5284), (3963, 4920)]