18951954420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6446243}}^1$

素因数の和:6446269

約数の個数: 72

約数和(自身を含む): 61729232544

約数和(自身を除く): 42777278124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6446243, 12892486, 19338729, 25784972, 32231215, 38677458, 45123701, 64462430, 77354916, 90247402, 96693645, 128924860, 135371103, 180494804, 193387290, 225618505, 270742206, 315865907, 386774580, 451237010, 541484412, 631731814, 676855515, 902474020, 947597721, 1263463628, 1353711030, 1579329535, 1895195442, 2707422060, 3158659070, 3790390884, 4737988605, 6317318140, 9475977210, 18951954420]

約数ペア:

[(1, 18951954420), (2, 9475977210), (3, 6317318140), (4, 4737988605), (5, 3790390884), (6, 3158659070), (7, 2707422060), (10, 1895195442), (12, 1579329535), (14, 1353711030), (15, 1263463628), (20, 947597721), (21, 902474020), (28, 676855515), (30, 631731814), (35, 541484412), (42, 451237010), (49, 386774580), (60, 315865907), (70, 270742206), (84, 225618505), (98, 193387290), (105, 180494804), (140, 135371103), (147, 128924860), (196, 96693645), (210, 90247402), (245, 77354916), (294, 64462430), (420, 45123701), (490, 38677458), (588, 32231215), (735, 25784972), (980, 19338729), (1470, 12892486), (2940, 6446243)]