19945812

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 28317228

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 167, 222, 269, 334, 444, 501, 538, 668, 807, 1002, 1076, 1614, 2004, 3228, 6179, 9953, 12358, 18537, 19906, 24716, 29859, 37074, 39812, 44923, 59718, 74148, 89846, 119436, 134769, 179692, 269538, 539076, 1662151, 3324302, 4986453, 6648604, 9972906, 19945812]

約数ペア:

[(1, 19945812), (2, 9972906), (3, 6648604), (4, 4986453), (6, 3324302), (12, 1662151), (37, 539076), (74, 269538), (111, 179692), (148, 134769), (167, 119436), (222, 89846), (269, 74148), (334, 59718), (444, 44923), (501, 39812), (538, 37074), (668, 29859), (807, 24716), (1002, 19906), (1076, 18537), (1614, 12358), (2004, 9953), (3228, 6179)]