19946430

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4523}}^1$

素因数の和:4550

約数の個数: 72

約数和(自身を含む): 60341112

約数和(自身を除く): 40394682

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4523, 9046, 13569, 22615, 27138, 31661, 40707, 45230, 63322, 67845, 81414, 94983, 135690, 158305, 189966, 203535, 221627, 284949, 316610, 407070, 443254, 474915, 569898, 664881, 949830, 1108135, 1329762, 1424745, 1994643, 2216270, 2849490, 3324405, 3989286, 6648810, 9973215, 19946430]

約数ペア:

[(1, 19946430), (2, 9973215), (3, 6648810), (5, 3989286), (6, 3324405), (7, 2849490), (9, 2216270), (10, 1994643), (14, 1424745), (15, 1329762), (18, 1108135), (21, 949830), (30, 664881), (35, 569898), (42, 474915), (45, 443254), (49, 407070), (63, 316610), (70, 284949), (90, 221627), (98, 203535), (105, 189966), (126, 158305), (147, 135690), (210, 94983), (245, 81414), (294, 67845), (315, 63322), (441, 45230), (490, 40707), (630, 31661), (735, 27138), (882, 22615), (1470, 13569), (2205, 9046), (4410, 4523)]