18794860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 30193940

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 53, 68, 70, 85, 106, 119, 140, 149, 170, 212, 238, 265, 298, 340, 371, 476, 530, 595, 596, 742, 745, 901, 1043, 1060, 1190, 1484, 1490, 1802, 1855, 2086, 2380, 2533, 2980, 3604, 3710, 4172, 4505, 5066, 5215, 6307, 7420, 7897, 9010, 10132, 10430, 12614, 12665, 15794, 17731, 18020, 20860, 25228, 25330, 31535, 31588, 35462, 39485, 50660, 55279, 63070, 70924, 78970, 88655, 110558, 126140, 134249, 157940, 177310, 221116, 268498, 276395, 354620, 536996, 552790, 671245, 939743, 1105580, 1342490, 1879486, 2684980, 3758972, 4698715, 9397430, 18794860]

約数ペア:

[(1, 18794860), (2, 9397430), (4, 4698715), (5, 3758972), (7, 2684980), (10, 1879486), (14, 1342490), (17, 1105580), (20, 939743), (28, 671245), (34, 552790), (35, 536996), (53, 354620), (68, 276395), (70, 268498), (85, 221116), (106, 177310), (119, 157940), (140, 134249), (149, 126140), (170, 110558), (212, 88655), (238, 78970), (265, 70924), (298, 63070), (340, 55279), (371, 50660), (476, 39485), (530, 35462), (595, 31588), (596, 31535), (742, 25330), (745, 25228), (901, 20860), (1043, 18020), (1060, 17731), (1190, 15794), (1484, 12665), (1490, 12614), (1802, 10430), (1855, 10132), (2086, 9010), (2380, 7897), (2533, 7420), (2980, 6307), (3604, 5215), (3710, 5066), (4172, 4505)]