19836285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 39045120

約数和(自身を除く): 19208835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 61, 95, 105, 133, 163, 183, 285, 305, 399, 427, 489, 665, 815, 915, 1141, 1159, 1281, 1995, 2135, 2445, 3097, 3423, 3477, 5705, 5795, 6405, 8113, 9291, 9943, 15485, 17115, 17385, 21679, 24339, 29829, 40565, 46455, 49715, 65037, 69601, 108395, 121695, 149145, 188917, 208803, 325185, 348005, 566751, 944585, 1044015, 1322419, 2833755, 3967257, 6612095, 19836285]

約数ペア:

[(1, 19836285), (3, 6612095), (5, 3967257), (7, 2833755), (15, 1322419), (19, 1044015), (21, 944585), (35, 566751), (57, 348005), (61, 325185), (95, 208803), (105, 188917), (133, 149145), (163, 121695), (183, 108395), (285, 69601), (305, 65037), (399, 49715), (427, 46455), (489, 40565), (665, 29829), (815, 24339), (915, 21679), (1141, 17385), (1159, 17115), (1281, 15485), (1995, 9943), (2135, 9291), (2445, 8113), (3097, 6405), (3423, 5795), (3477, 5705)]