18929190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 53844480

約数和(自身を除く): 34915290

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 79, 98, 105, 147, 158, 163, 210, 237, 245, 294, 326, 395, 474, 489, 490, 553, 735, 790, 815, 978, 1106, 1141, 1185, 1470, 1630, 1659, 2282, 2370, 2445, 2765, 3318, 3423, 3871, 4890, 5530, 5705, 6846, 7742, 7987, 8295, 11410, 11613, 12877, 15974, 16590, 17115, 19355, 23226, 23961, 25754, 34230, 38631, 38710, 39935, 47922, 58065, 64385, 77262, 79870, 90139, 116130, 119805, 128770, 180278, 193155, 239610, 270417, 386310, 450695, 540834, 630973, 901390, 1261946, 1352085, 1892919, 2704170, 3154865, 3785838, 6309730, 9464595, 18929190]

約数ペア:

[(1, 18929190), (2, 9464595), (3, 6309730), (5, 3785838), (6, 3154865), (7, 2704170), (10, 1892919), (14, 1352085), (15, 1261946), (21, 901390), (30, 630973), (35, 540834), (42, 450695), (49, 386310), (70, 270417), (79, 239610), (98, 193155), (105, 180278), (147, 128770), (158, 119805), (163, 116130), (210, 90139), (237, 79870), (245, 77262), (294, 64385), (326, 58065), (395, 47922), (474, 39935), (489, 38710), (490, 38631), (553, 34230), (735, 25754), (790, 23961), (815, 23226), (978, 19355), (1106, 17115), (1141, 16590), (1185, 15974), (1470, 12877), (1630, 11613), (1659, 11410), (2282, 8295), (2370, 7987), (2445, 7742), (2765, 6846), (3318, 5705), (3423, 5530), (3871, 4890)]