19381860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 43517340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 47, 58, 60, 79, 87, 90, 94, 116, 141, 145, 158, 174, 180, 188, 235, 237, 261, 282, 290, 316, 348, 395, 423, 435, 470, 474, 522, 564, 580, 705, 711, 790, 846, 870, 940, 948, 1044, 1185, 1305, 1363, 1410, 1422, 1580, 1692, 1740, 2115, 2291, 2370, 2610, 2726, 2820, 2844, 3555, 3713, 4089, 4230, 4582, 4740, 5220, 5452, 6815, 6873, 7110, 7426, 8178, 8460, 9164, 11139, 11455, 12267, 13630, 13746, 14220, 14852, 16356, 18565, 20445, 20619, 22278, 22910, 24534, 27260, 27492, 33417, 34365, 37130, 40890, 41238, 44556, 45820, 49068, 55695, 61335, 66834, 68730, 74260, 81780, 82476, 103095, 107677, 111390, 122670, 133668, 137460, 167085, 206190, 215354, 222780, 245340, 323031, 334170, 412380, 430708, 538385, 646062, 668340, 969093, 1076770, 1292124, 1615155, 1938186, 2153540, 3230310, 3876372, 4845465, 6460620, 9690930, 19381860]

約数ペア:

[(1, 19381860), (2, 9690930), (3, 6460620), (4, 4845465), (5, 3876372), (6, 3230310), (9, 2153540), (10, 1938186), (12, 1615155), (15, 1292124), (18, 1076770), (20, 969093), (29, 668340), (30, 646062), (36, 538385), (45, 430708), (47, 412380), (58, 334170), (60, 323031), (79, 245340), (87, 222780), (90, 215354), (94, 206190), (116, 167085), (141, 137460), (145, 133668), (158, 122670), (174, 111390), (180, 107677), (188, 103095), (235, 82476), (237, 81780), (261, 74260), (282, 68730), (290, 66834), (316, 61335), (348, 55695), (395, 49068), (423, 45820), (435, 44556), (470, 41238), (474, 40890), (522, 37130), (564, 34365), (580, 33417), (705, 27492), (711, 27260), (790, 24534), (846, 22910), (870, 22278), (940, 20619), (948, 20445), (1044, 18565), (1185, 16356), (1305, 14852), (1363, 14220), (1410, 13746), (1422, 13630), (1580, 12267), (1692, 11455), (1740, 11139), (2115, 9164), (2291, 8460), (2370, 8178), (2610, 7426), (2726, 7110), (2820, 6873), (2844, 6815), (3555, 5452), (3713, 5220), (4089, 4740), (4230, 4582)]