18941940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2239}}^1$

素因数の和:2301

約数の個数: 72

約数和(自身を含む): 58705920

約数和(自身を除く): 39763980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2239, 2820, 4230, 4478, 6717, 8460, 8956, 11195, 13434, 20151, 22390, 26868, 33585, 40302, 44780, 67170, 80604, 100755, 105233, 134340, 201510, 210466, 315699, 403020, 420932, 526165, 631398, 947097, 1052330, 1262796, 1578495, 1894194, 2104660, 3156990, 3788388, 4735485, 6313980, 9470970, 18941940]

約数ペア:

[(1, 18941940), (2, 9470970), (3, 6313980), (4, 4735485), (5, 3788388), (6, 3156990), (9, 2104660), (10, 1894194), (12, 1578495), (15, 1262796), (18, 1052330), (20, 947097), (30, 631398), (36, 526165), (45, 420932), (47, 403020), (60, 315699), (90, 210466), (94, 201510), (141, 134340), (180, 105233), (188, 100755), (235, 80604), (282, 67170), (423, 44780), (470, 40302), (564, 33585), (705, 26868), (846, 22390), (940, 20151), (1410, 13434), (1692, 11195), (2115, 8956), (2239, 8460), (2820, 6717), (4230, 4478)]