18578770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 41068800

約数和(自身を除く): 22490030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 229, 266, 305, 427, 458, 610, 665, 854, 1145, 1159, 1330, 1603, 2135, 2290, 2318, 3206, 4270, 4351, 5795, 8015, 8113, 8702, 11590, 13969, 16030, 16226, 21755, 27938, 30457, 40565, 43510, 60914, 69845, 81130, 97783, 139690, 152285, 195566, 265411, 304570, 488915, 530822, 977830, 1327055, 1857877, 2654110, 3715754, 9289385, 18578770]

約数ペア:

[(1, 18578770), (2, 9289385), (5, 3715754), (7, 2654110), (10, 1857877), (14, 1327055), (19, 977830), (35, 530822), (38, 488915), (61, 304570), (70, 265411), (95, 195566), (122, 152285), (133, 139690), (190, 97783), (229, 81130), (266, 69845), (305, 60914), (427, 43510), (458, 40565), (610, 30457), (665, 27938), (854, 21755), (1145, 16226), (1159, 16030), (1330, 13969), (1603, 11590), (2135, 8702), (2290, 8113), (2318, 8015), (3206, 5795), (4270, 4351)]