19077710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 19629490

約数列:

[1, 2, 5, 10, 19, 31, 38, 41, 62, 79, 82, 95, 155, 158, 190, 205, 310, 395, 410, 589, 779, 790, 1178, 1271, 1501, 1558, 2449, 2542, 2945, 3002, 3239, 3895, 4898, 5890, 6355, 6478, 7505, 7790, 12245, 12710, 15010, 16195, 24149, 24490, 32390, 46531, 48298, 61541, 93062, 100409, 120745, 123082, 200818, 232655, 241490, 307705, 465310, 502045, 615410, 1004090, 1907771, 3815542, 9538855, 19077710]

約数ペア:

[(1, 19077710), (2, 9538855), (5, 3815542), (10, 1907771), (19, 1004090), (31, 615410), (38, 502045), (41, 465310), (62, 307705), (79, 241490), (82, 232655), (95, 200818), (155, 123082), (158, 120745), (190, 100409), (205, 93062), (310, 61541), (395, 48298), (410, 46531), (589, 32390), (779, 24490), (790, 24149), (1178, 16195), (1271, 15010), (1501, 12710), (1558, 12245), (2449, 7790), (2542, 7505), (2945, 6478), (3002, 6355), (3239, 5890), (3895, 4898)]