19684070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 42909696

約数和(自身を除く): 23225626

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 47, 62, 70, 94, 155, 193, 217, 235, 310, 329, 386, 434, 470, 658, 965, 1085, 1351, 1457, 1645, 1930, 2170, 2702, 2914, 3290, 5983, 6755, 7285, 9071, 10199, 11966, 13510, 14570, 18142, 20398, 29915, 41881, 45355, 50995, 59830, 63497, 83762, 90710, 101990, 126994, 209405, 281201, 317485, 418810, 562402, 634970, 1406005, 1968407, 2812010, 3936814, 9842035, 19684070]

約数ペア:

[(1, 19684070), (2, 9842035), (5, 3936814), (7, 2812010), (10, 1968407), (14, 1406005), (31, 634970), (35, 562402), (47, 418810), (62, 317485), (70, 281201), (94, 209405), (155, 126994), (193, 101990), (217, 90710), (235, 83762), (310, 63497), (329, 59830), (386, 50995), (434, 45355), (470, 41881), (658, 29915), (965, 20398), (1085, 18142), (1351, 14570), (1457, 13510), (1645, 11966), (1930, 10199), (2170, 9071), (2702, 7285), (2914, 6755), (3290, 5983)]