19977930

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1669}}^1$

素因数の和:1708

約数の個数: 96

約数和(自身を含む): 62524800

約数和(自身を除く): 42546870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1669, 1710, 1995, 2394, 3338, 3990, 5007, 5985, 8345, 10014, 11683, 11970, 15021, 16690, 23366, 25035, 30042, 31711, 35049, 50070, 58415, 63422, 70098, 75105, 95133, 105147, 116830, 150210, 158555, 175245, 190266, 210294, 221977, 285399, 317110, 350490, 443954, 475665, 525735, 570798, 665931, 951330, 1051470, 1109885, 1331862, 1426995, 1997793, 2219770, 2853990, 3329655, 3995586, 6659310, 9988965, 19977930]

約数ペア:

[(1, 19977930), (2, 9988965), (3, 6659310), (5, 3995586), (6, 3329655), (7, 2853990), (9, 2219770), (10, 1997793), (14, 1426995), (15, 1331862), (18, 1109885), (19, 1051470), (21, 951330), (30, 665931), (35, 570798), (38, 525735), (42, 475665), (45, 443954), (57, 350490), (63, 317110), (70, 285399), (90, 221977), (95, 210294), (105, 190266), (114, 175245), (126, 158555), (133, 150210), (171, 116830), (190, 105147), (210, 95133), (266, 75105), (285, 70098), (315, 63422), (342, 58415), (399, 50070), (570, 35049), (630, 31711), (665, 30042), (798, 25035), (855, 23366), (1197, 16690), (1330, 15021), (1669, 11970), (1710, 11683), (1995, 10014), (2394, 8345), (3338, 5985), (3990, 5007)]