20171903508

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3557}}^1\times {\mathrm{8291}}^1$

素因数の和:11877

約数の個数: 72

約数和(自身を含む): 53695343520

約数和(自身を除く): 33523440012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 3557, 7114, 8291, 10671, 14228, 16582, 21342, 24873, 32013, 33164, 42684, 49746, 64026, 67583, 74619, 99492, 128052, 135166, 149238, 157529, 202749, 270332, 298476, 315058, 405498, 472587, 608247, 630116, 810996, 945174, 1216494, 1417761, 1890348, 2432988, 2835522, 5671044, 29491087, 58982174, 88473261, 117964348, 176946522, 265419783, 353893044, 530839566, 560330653, 1061679132, 1120661306, 1680991959, 2241322612, 3361983918, 5042975877, 6723967836, 10085951754, 20171903508]

約数ペア:

[(1, 20171903508), (2, 10085951754), (3, 6723967836), (4, 5042975877), (6, 3361983918), (9, 2241322612), (12, 1680991959), (18, 1120661306), (19, 1061679132), (36, 560330653), (38, 530839566), (57, 353893044), (76, 265419783), (114, 176946522), (171, 117964348), (228, 88473261), (342, 58982174), (684, 29491087), (3557, 5671044), (7114, 2835522), (8291, 2432988), (10671, 1890348), (14228, 1417761), (16582, 1216494), (21342, 945174), (24873, 810996), (32013, 630116), (33164, 608247), (42684, 472587), (49746, 405498), (64026, 315058), (67583, 298476), (74619, 270332), (99492, 202749), (128052, 157529), (135166, 149238)]