19235580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 66898944

約数和(自身を除く): 47663364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 271, 273, 338, 364, 390, 420, 455, 507, 542, 546, 676, 780, 813, 845, 910, 1014, 1084, 1092, 1183, 1355, 1365, 1626, 1690, 1820, 1897, 2028, 2366, 2535, 2710, 2730, 3252, 3380, 3523, 3549, 3794, 4065, 4732, 5070, 5420, 5460, 5691, 5915, 7046, 7098, 7588, 8130, 9485, 10140, 10569, 11382, 11830, 14092, 14196, 16260, 17615, 17745, 18970, 21138, 22764, 23660, 24661, 28455, 35230, 35490, 37940, 42276, 45799, 49322, 52845, 56910, 70460, 70980, 73983, 91598, 98644, 105690, 113820, 123305, 137397, 147966, 183196, 211380, 228995, 246610, 274794, 295932, 320593, 369915, 457990, 493220, 549588, 641186, 686985, 739830, 915980, 961779, 1282372, 1373970, 1479660, 1602965, 1923558, 2747940, 3205930, 3847116, 4808895, 6411860, 9617790, 19235580]

約数ペア:

[(1, 19235580), (2, 9617790), (3, 6411860), (4, 4808895), (5, 3847116), (6, 3205930), (7, 2747940), (10, 1923558), (12, 1602965), (13, 1479660), (14, 1373970), (15, 1282372), (20, 961779), (21, 915980), (26, 739830), (28, 686985), (30, 641186), (35, 549588), (39, 493220), (42, 457990), (52, 369915), (60, 320593), (65, 295932), (70, 274794), (78, 246610), (84, 228995), (91, 211380), (105, 183196), (130, 147966), (140, 137397), (156, 123305), (169, 113820), (182, 105690), (195, 98644), (210, 91598), (260, 73983), (271, 70980), (273, 70460), (338, 56910), (364, 52845), (390, 49322), (420, 45799), (455, 42276), (507, 37940), (542, 35490), (546, 35230), (676, 28455), (780, 24661), (813, 23660), (845, 22764), (910, 21138), (1014, 18970), (1084, 17745), (1092, 17615), (1183, 16260), (1355, 14196), (1365, 14092), (1626, 11830), (1690, 11382), (1820, 10569), (1897, 10140), (2028, 9485), (2366, 8130), (2535, 7588), (2710, 7098), (2730, 7046), (3252, 5915), (3380, 5691), (3523, 5460), (3549, 5420), (3794, 5070), (4065, 4732)]