19662435

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 40622400

約数和(自身を除く): 20959965

約数列:

[1, 3, 5, 9, 13, 15, 19, 29, 39, 45, 57, 61, 65, 87, 95, 117, 145, 171, 183, 195, 247, 261, 285, 305, 377, 435, 549, 551, 585, 741, 793, 855, 915, 1131, 1159, 1235, 1305, 1653, 1769, 1885, 2223, 2379, 2745, 2755, 3393, 3477, 3705, 3965, 4959, 5307, 5655, 5795, 7137, 7163, 8265, 8845, 10431, 11115, 11895, 15067, 15921, 16965, 17385, 21489, 22997, 24795, 26535, 33611, 35685, 35815, 45201, 52155, 64467, 68991, 75335, 79605, 100833, 107445, 114985, 135603, 168055, 206973, 226005, 302499, 322335, 344955, 436943, 504165, 678015, 1034865, 1310829, 1512495, 2184715, 3932487, 6554145, 19662435]

約数ペア:

[(1, 19662435), (3, 6554145), (5, 3932487), (9, 2184715), (13, 1512495), (15, 1310829), (19, 1034865), (29, 678015), (39, 504165), (45, 436943), (57, 344955), (61, 322335), (65, 302499), (87, 226005), (95, 206973), (117, 168055), (145, 135603), (171, 114985), (183, 107445), (195, 100833), (247, 79605), (261, 75335), (285, 68991), (305, 64467), (377, 52155), (435, 45201), (549, 35815), (551, 35685), (585, 33611), (741, 26535), (793, 24795), (855, 22997), (915, 21489), (1131, 17385), (1159, 16965), (1235, 15921), (1305, 15067), (1653, 11895), (1769, 11115), (1885, 10431), (2223, 8845), (2379, 8265), (2745, 7163), (2755, 7137), (3393, 5795), (3477, 5655), (3705, 5307), (3965, 4959)]