19400178

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 49904640

約数和(自身を除く): 30504462

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 23, 38, 42, 46, 49, 57, 69, 98, 114, 133, 138, 147, 151, 161, 266, 294, 302, 322, 399, 437, 453, 483, 798, 874, 906, 931, 966, 1057, 1127, 1311, 1862, 2114, 2254, 2622, 2793, 2869, 3059, 3171, 3381, 3473, 5586, 5738, 6118, 6342, 6762, 6946, 7399, 8607, 9177, 10419, 14798, 17214, 18354, 20083, 20838, 21413, 22197, 24311, 40166, 42826, 44394, 48622, 60249, 64239, 65987, 72933, 120498, 128478, 131974, 140581, 145866, 170177, 197961, 281162, 340354, 395922, 421743, 461909, 510531, 843486, 923818, 1021062, 1385727, 2771454, 3233363, 6466726, 9700089, 19400178]

約数ペア:

[(1, 19400178), (2, 9700089), (3, 6466726), (6, 3233363), (7, 2771454), (14, 1385727), (19, 1021062), (21, 923818), (23, 843486), (38, 510531), (42, 461909), (46, 421743), (49, 395922), (57, 340354), (69, 281162), (98, 197961), (114, 170177), (133, 145866), (138, 140581), (147, 131974), (151, 128478), (161, 120498), (266, 72933), (294, 65987), (302, 64239), (322, 60249), (399, 48622), (437, 44394), (453, 42826), (483, 40166), (798, 24311), (874, 22197), (906, 21413), (931, 20838), (966, 20083), (1057, 18354), (1127, 17214), (1311, 14798), (1862, 10419), (2114, 9177), (2254, 8607), (2622, 7399), (2793, 6946), (2869, 6762), (3059, 6342), (3171, 6118), (3381, 5738), (3473, 5586)]